{"product_id":"39in-x-78-8in-self-adhesive-sound-deadening-foam-fireproof-1in-sheet","title":"39in x 78.8in Self-Adhesive Sound Deadening Foam - Fireproof 1in Sheet","description":"\u003cp\u003eIn this review the Olithber 39in x 78.8in self-adhesive sound deadening foam earns attention from home studio builders and anyone needing a large, fire-resistant panel for noise control. The biggest reason to buy is its layered construction: a waterproof polymer membrane on top, a high-density semi-open-cell foam core for absorption, and a strong adhesive backing that makes installation straightforward. For rooms, rehearsal spaces, or equipment cabinets where blocking and absorbing sound matter, this sheet combines durability and practical installation features in a single package.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-layer construction:\u003c\/strong\u003e The polymer membrane, foam core, and adhesive backing work together to convert surface sound into membrane vibration and then absorb residual energy in the foam.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-density semi-open-cell foam:\u003c\/strong\u003e The thicker semi-open-cell center improves mid and high frequency absorption compared with thinner closed-cell options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof surface:\u003c\/strong\u003e The polymer membrane resists oil and dust and wipes clean to look like new after exposure in workshop or studio environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong adhesive backing:\u003c\/strong\u003e The peel-and-stick bottom simplifies mounting to walls, doors, and instrument cabinets without extra glue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat insulation benefit:\u003c\/strong\u003e The closed-hole layer contributes to heat preservation and adds an insulating benefit alongside sound control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFireproof material:\u003c\/strong\u003e The sheet is described as fireproof, making it suitable for equipment rooms where safety matters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis sheet is best for DIY acoustic treatments in home studios, rehearsal rooms, and for lining instrument or amplifier cabinets where a large single panel can reduce reflections and control noise. Installers who prefer peel-and-stick products will appreciate the strong adhesive that reduces installation time.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for users needing precision acoustic tuning (diffusion or calibrated absorption coefficients) or for decorative applications where visible finishes are required; the sheet is primarily functional rather than decorative.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEffective layered design converts and absorbs sound energy for clearer reduction of reflections.\u003c\/li\u003e\n\u003cli\u003eDurable waterproof polymer surface that wipes clean from oil and dust.\u003c\/li\u003e\n\u003cli\u003ePeel-and-stick adhesive backing speeds installation and adheres firmly to many surfaces.\u003c\/li\u003e\n\u003cli\u003eThicker semi-open-cell foam improves overall sound absorption versus thin closed-cell sheets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe panel is functional and plain in appearance, so it may not suit visible decorative treatments.\u003c\/li\u003e\n\u003cli\u003eNo detailed acoustic performance numbers are provided, so exact absorption at specific frequencies is not available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct size\u003c\/td\u003e\n\u003ctd\u003e39in x 78.8in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e1in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop layer\u003c\/td\u003e\n\u003ctd\u003ePolymer sound deadening membrane (waterproof)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore\u003c\/td\u003e\n\u003ctd\u003eHigh-density semi-open-cell sound-absorbing foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom layer\u003c\/td\u003e\n\u003ctd\u003eStrong adhesive backing (peel-and-stick)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary benefits\u003c\/td\u003e\n\u003ctd\u003eSound absorption, heat insulation, wipe-clean surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFire resistance\u003c\/td\u003e\n\u003ctd\u003eFireproof material (as described)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Olithber 39in x 78.8in self-adhesive foam sheet is a practical, value-focused choice for hobbyists and small studios that need a large, easy-to-install acoustic panel with waterproof surface and thermal insulation benefits. It is cost effective for treating reflective surfaces or lining cabinets, though professionals seeking measured acoustic coefficients may require additional data or specialized products.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs the surface easy to clean?\u003c\/strong\u003e\u003cbr\u003eThe polymer membrane is waterproof and wipes clean from oil and dust, restoring its appearance after cleaning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I stick this to drywall or wood?\u003c\/strong\u003e\u003cbr\u003eYes, the sheet uses a strong adhesive backing intended for peel-and-stick installation on common surfaces like drywall and wood.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this also insulate against heat?\u003c\/strong\u003e\u003cbr\u003eYes, the closed-hole aspect provides heat insulation and helps with heat preservation alongside acoustic absorption.\u003c\/p\u003e","brand":"Olithber","offers":[{"title":"Default Title","offer_id":48648957395163,"sku":"B0DL46YM3R","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71xgCCXqFML._AC_SL1500.jpg?v=1778592550","url":"https:\/\/gearmusthave.com\/products\/39in-x-78-8in-self-adhesive-sound-deadening-foam-fireproof-1in-sheet","provider":"GearMustHave","version":"1.0","type":"link"}